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api_op_CreateDocumentClassifier.go
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api_op_CreateDocumentClassifier.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package comprehend
import (
"context"
"errors"
"fmt"
"github.com/aws/aws-sdk-go-v2/aws"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
internalauth "github.com/aws/aws-sdk-go-v2/internal/auth"
"github.com/aws/aws-sdk-go-v2/service/comprehend/types"
smithyendpoints "github.com/aws/smithy-go/endpoints"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Creates a new document classifier that you can use to categorize documents. To
// create a classifier, you provide a set of training documents that are labeled
// with the categories that you want to use. For more information, see Training
// classifier models (https://docs.aws.amazon.com/comprehend/latest/dg/training-classifier-model.html)
// in the Comprehend Developer Guide.
func (c *Client) CreateDocumentClassifier(ctx context.Context, params *CreateDocumentClassifierInput, optFns ...func(*Options)) (*CreateDocumentClassifierOutput, error) {
if params == nil {
params = &CreateDocumentClassifierInput{}
}
result, metadata, err := c.invokeOperation(ctx, "CreateDocumentClassifier", params, optFns, c.addOperationCreateDocumentClassifierMiddlewares)
if err != nil {
return nil, err
}
out := result.(*CreateDocumentClassifierOutput)
out.ResultMetadata = metadata
return out, nil
}
type CreateDocumentClassifierInput struct {
// The Amazon Resource Name (ARN) of the IAM role that grants Amazon Comprehend
// read access to your input data.
//
// This member is required.
DataAccessRoleArn *string
// The name of the document classifier.
//
// This member is required.
DocumentClassifierName *string
// Specifies the format and location of the input data for the job.
//
// This member is required.
InputDataConfig *types.DocumentClassifierInputDataConfig
// The language of the input documents. You can specify any of the languages
// supported by Amazon Comprehend. All documents must be in the same language.
//
// This member is required.
LanguageCode types.LanguageCode
// A unique identifier for the request. If you don't set the client request token,
// Amazon Comprehend generates one.
ClientRequestToken *string
// Indicates the mode in which the classifier will be trained. The classifier can
// be trained in multi-class mode, which identifies one and only one class for each
// document, or multi-label mode, which identifies one or more labels for each
// document. In multi-label mode, multiple labels for an individual document are
// separated by a delimiter. The default delimiter between labels is a pipe (|).
Mode types.DocumentClassifierMode
// ID for the KMS key that Amazon Comprehend uses to encrypt trained custom
// models. The ModelKmsKeyId can be either of the following formats:
// - KMS Key ID: "1234abcd-12ab-34cd-56ef-1234567890ab"
// - Amazon Resource Name (ARN) of a KMS Key:
// "arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab"
ModelKmsKeyId *string
// The resource-based policy to attach to your custom document classifier model.
// You can use this policy to allow another Amazon Web Services account to import
// your custom model. Provide your policy as a JSON body that you enter as a UTF-8
// encoded string without line breaks. To provide valid JSON, enclose the attribute
// names and values in double quotes. If the JSON body is also enclosed in double
// quotes, then you must escape the double quotes that are inside the policy:
// "{\"attribute\": \"value\", \"attribute\": [\"value\"]}" To avoid escaping
// quotes, you can use single quotes to enclose the policy and double quotes to
// enclose the JSON names and values: '{"attribute": "value", "attribute":
// ["value"]}'
ModelPolicy *string
// Specifies the location for the output files from a custom classifier job. This
// parameter is required for a request that creates a native classifier model.
OutputDataConfig *types.DocumentClassifierOutputDataConfig
// Tags to associate with the document classifier. A tag is a key-value pair that
// adds as a metadata to a resource used by Amazon Comprehend. For example, a tag
// with "Sales" as the key might be added to a resource to indicate its use by the
// sales department.
Tags []types.Tag
// The version name given to the newly created classifier. Version names can have
// a maximum of 256 characters. Alphanumeric characters, hyphens (-) and
// underscores (_) are allowed. The version name must be unique among all models
// with the same classifier name in the Amazon Web Services account/Amazon Web
// Services Region.
VersionName *string
// ID for the Amazon Web Services Key Management Service (KMS) key that Amazon
// Comprehend uses to encrypt data on the storage volume attached to the ML compute
// instance(s) that process the analysis job. The VolumeKmsKeyId can be either of
// the following formats:
// - KMS Key ID: "1234abcd-12ab-34cd-56ef-1234567890ab"
// - Amazon Resource Name (ARN) of a KMS Key:
// "arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab"
VolumeKmsKeyId *string
// Configuration parameters for an optional private Virtual Private Cloud (VPC)
// containing the resources you are using for your custom classifier. For more
// information, see Amazon VPC (https://docs.aws.amazon.com/vpc/latest/userguide/what-is-amazon-vpc.html)
// .
VpcConfig *types.VpcConfig
noSmithyDocumentSerde
}
type CreateDocumentClassifierOutput struct {
// The Amazon Resource Name (ARN) that identifies the document classifier.
DocumentClassifierArn *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationCreateDocumentClassifierMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsAwsjson11_serializeOpCreateDocumentClassifier{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpCreateDocumentClassifier{}, middleware.After)
if err != nil {
return err
}
if err = addlegacyEndpointContextSetter(stack, options); err != nil {
return err
}
if err = addSetLoggerMiddleware(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
return err
}
if err = addRetryMiddlewares(stack, options); err != nil {
return err
}
if err = addHTTPSignerV4Middleware(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
return err
}
if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
return err
}
if err = addClientUserAgent(stack, options); err != nil {
return err
}
if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = addCreateDocumentClassifierResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = addIdempotencyToken_opCreateDocumentClassifierMiddleware(stack, options); err != nil {
return err
}
if err = addOpCreateDocumentClassifierValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opCreateDocumentClassifier(options.Region), middleware.Before); err != nil {
return err
}
if err = awsmiddleware.AddRecursionDetection(stack); err != nil {
return err
}
if err = addRequestIDRetrieverMiddleware(stack); err != nil {
return err
}
if err = addResponseErrorMiddleware(stack); err != nil {
return err
}
if err = addRequestResponseLogging(stack, options); err != nil {
return err
}
if err = addendpointDisableHTTPSMiddleware(stack, options); err != nil {
return err
}
return nil
}
type idempotencyToken_initializeOpCreateDocumentClassifier struct {
tokenProvider IdempotencyTokenProvider
}
func (*idempotencyToken_initializeOpCreateDocumentClassifier) ID() string {
return "OperationIdempotencyTokenAutoFill"
}
func (m *idempotencyToken_initializeOpCreateDocumentClassifier) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
if m.tokenProvider == nil {
return next.HandleInitialize(ctx, in)
}
input, ok := in.Parameters.(*CreateDocumentClassifierInput)
if !ok {
return out, metadata, fmt.Errorf("expected middleware input to be of type *CreateDocumentClassifierInput ")
}
if input.ClientRequestToken == nil {
t, err := m.tokenProvider.GetIdempotencyToken()
if err != nil {
return out, metadata, err
}
input.ClientRequestToken = &t
}
return next.HandleInitialize(ctx, in)
}
func addIdempotencyToken_opCreateDocumentClassifierMiddleware(stack *middleware.Stack, cfg Options) error {
return stack.Initialize.Add(&idempotencyToken_initializeOpCreateDocumentClassifier{tokenProvider: cfg.IdempotencyTokenProvider}, middleware.Before)
}
func newServiceMetadataMiddleware_opCreateDocumentClassifier(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "comprehend",
OperationName: "CreateDocumentClassifier",
}
}
type opCreateDocumentClassifierResolveEndpointMiddleware struct {
EndpointResolver EndpointResolverV2
BuiltInResolver builtInParameterResolver
}
func (*opCreateDocumentClassifierResolveEndpointMiddleware) ID() string {
return "ResolveEndpointV2"
}
func (m *opCreateDocumentClassifierResolveEndpointMiddleware) HandleSerialize(ctx context.Context, in middleware.SerializeInput, next middleware.SerializeHandler) (
out middleware.SerializeOutput, metadata middleware.Metadata, err error,
) {
if awsmiddleware.GetRequiresLegacyEndpoints(ctx) {
return next.HandleSerialize(ctx, in)
}
req, ok := in.Request.(*smithyhttp.Request)
if !ok {
return out, metadata, fmt.Errorf("unknown transport type %T", in.Request)
}
if m.EndpointResolver == nil {
return out, metadata, fmt.Errorf("expected endpoint resolver to not be nil")
}
params := EndpointParameters{}
m.BuiltInResolver.ResolveBuiltIns(¶ms)
var resolvedEndpoint smithyendpoints.Endpoint
resolvedEndpoint, err = m.EndpointResolver.ResolveEndpoint(ctx, params)
if err != nil {
return out, metadata, fmt.Errorf("failed to resolve service endpoint, %w", err)
}
req.URL = &resolvedEndpoint.URI
for k := range resolvedEndpoint.Headers {
req.Header.Set(
k,
resolvedEndpoint.Headers.Get(k),
)
}
authSchemes, err := internalauth.GetAuthenticationSchemes(&resolvedEndpoint.Properties)
if err != nil {
var nfe *internalauth.NoAuthenticationSchemesFoundError
if errors.As(err, &nfe) {
// if no auth scheme is found, default to sigv4
signingName := "comprehend"
signingRegion := m.BuiltInResolver.(*builtInResolver).Region
ctx = awsmiddleware.SetSigningName(ctx, signingName)
ctx = awsmiddleware.SetSigningRegion(ctx, signingRegion)
}
var ue *internalauth.UnSupportedAuthenticationSchemeSpecifiedError
if errors.As(err, &ue) {
return out, metadata, fmt.Errorf(
"This operation requests signer version(s) %v but the client only supports %v",
ue.UnsupportedSchemes,
internalauth.SupportedSchemes,
)
}
}
for _, authScheme := range authSchemes {
switch authScheme.(type) {
case *internalauth.AuthenticationSchemeV4:
v4Scheme, _ := authScheme.(*internalauth.AuthenticationSchemeV4)
var signingName, signingRegion string
if v4Scheme.SigningName == nil {
signingName = "comprehend"
} else {
signingName = *v4Scheme.SigningName
}
if v4Scheme.SigningRegion == nil {
signingRegion = m.BuiltInResolver.(*builtInResolver).Region
} else {
signingRegion = *v4Scheme.SigningRegion
}
if v4Scheme.DisableDoubleEncoding != nil {
// The signer sets an equivalent value at client initialization time.
// Setting this context value will cause the signer to extract it
// and override the value set at client initialization time.
ctx = internalauth.SetDisableDoubleEncoding(ctx, *v4Scheme.DisableDoubleEncoding)
}
ctx = awsmiddleware.SetSigningName(ctx, signingName)
ctx = awsmiddleware.SetSigningRegion(ctx, signingRegion)
break
case *internalauth.AuthenticationSchemeV4A:
v4aScheme, _ := authScheme.(*internalauth.AuthenticationSchemeV4A)
if v4aScheme.SigningName == nil {
v4aScheme.SigningName = aws.String("comprehend")
}
if v4aScheme.DisableDoubleEncoding != nil {
// The signer sets an equivalent value at client initialization time.
// Setting this context value will cause the signer to extract it
// and override the value set at client initialization time.
ctx = internalauth.SetDisableDoubleEncoding(ctx, *v4aScheme.DisableDoubleEncoding)
}
ctx = awsmiddleware.SetSigningName(ctx, *v4aScheme.SigningName)
ctx = awsmiddleware.SetSigningRegion(ctx, v4aScheme.SigningRegionSet[0])
break
case *internalauth.AuthenticationSchemeNone:
break
}
}
return next.HandleSerialize(ctx, in)
}
func addCreateDocumentClassifierResolveEndpointMiddleware(stack *middleware.Stack, options Options) error {
return stack.Serialize.Insert(&opCreateDocumentClassifierResolveEndpointMiddleware{
EndpointResolver: options.EndpointResolverV2,
BuiltInResolver: &builtInResolver{
Region: options.Region,
UseDualStack: options.EndpointOptions.UseDualStackEndpoint,
UseFIPS: options.EndpointOptions.UseFIPSEndpoint,
Endpoint: options.BaseEndpoint,
},
}, "ResolveEndpoint", middleware.After)
}